Title: Using the Geoslicer Description: A Vibrohammer is used to push the wedge into the soil through the bottom of the Tule Pond trench in Fremont, CA. Tsuyoshi Haraguchi of Fukkon Co., LTD. holds the wedge steady. Location: Fremont, CA, USA Date Taken: 10/3/2001 Photographer: Scott Haefner,
U.S. Geological Survey
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